84924823 has 2 divisors, whose sum is σ = 84924824. Its totient is φ = 84924822.

The previous prime is 84924821. The next prime is 84924859. The reversal of 84924823 is 32842948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84924823 - 2¹ = 84924821 is a prime.

Together with 84924821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84924821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42462411 + 42462412.

It is an arithmetic number, because the mean of its divisors is an integer number (42462412).

Almost surely, 2^84924823 is an apocalyptic number.

84924823 is a deficient number, since it is larger than the sum of its proper divisors (1).

84924823 is an equidigital number, since it uses as much as digits as its factorization.

84924823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 84924823 is about 9215.4665101665. The cubic root of 84924823 is about 439.5533052710.

The spelling of 84924823 in words is "eighty-four million, nine hundred twenty-four thousand, eight hundred twenty-three".